How do I record sound

[Rafael Ignacio Zurita]

On Sun, Dec 19, 2010 at 01:50:27PM +0100, David Kuehling wrote:
> >>>>> "David" == David Kuehling <dvdkhlng at gmx.de> writes:
> 
> >>>>> "Jane" == Jane Andreas <JaneAndreas at gmx.com> writes:
> 
> >> What program do I use to record sound files on the Nanonote?
> >> thanks. I am running OpenWRT
> 
> > I'd recommend the command-line sound processor 'sox'.  For recording
> > use the shortcut name 'rec'.  Just run it without parameters to get
> > some help output.  Didn't try myself, though (well not on the
> > nanonote, have been using it on Ubuntu for quite some time).
> 
> Recording seems to be broken on NanoNote.  Linux/hw problem?
> 
> sox -t alsa default test.gsm stat
> 
> Samples read:             40960
> Length (seconds):      5.120000
> Scaled by:         2147483647.0
> Maximum amplitude:     0.000000
> Minimum amplitude:     0.000000
> [..]
> 
> It's only recording perfect silence :(
> 
> also tried to check the mixer via alsamixer, but no success so far.

These instructions 
http://en.qi-hardware.com/wiki/JlimeUserManual#How_to_RECORD_and_PLAY_sound_files_%28using_mic/speaker%29
worked for me, maybe there is some tip useful there?